Senior Manager, U.S. Tax Compliance

KBR•Arlington, DC

About The Position

The Senior Manager, U.S. Tax Compliance is responsible for leading Trinzic's U.S. direct and indirect tax compliance function, ensuring timely, accurate, and efficient compliance with federal, state, and local tax requirements. Reporting to the Director, Global Tax Reporting & U.S. Tax Compliance, this role oversees the preparation, review, and filing of U.S. income tax returns, estimated tax payments, extensions, and related tax filings, while providing leadership over indirect tax compliance activities, including sales and use tax, gross receipts tax, and other transaction-based tax obligations. The Senior Manager partners closely with Accounting, FP&A, Treasury, Legal, Internal Audit, external advisors, and members of the broader tax organization to ensure timely and accurate tax compliance, support business initiatives and transactions, maintain a strong controls environment, and drive continuous improvement across the Company's tax compliance function. Trinzic is being established as an independent public company through the planned separation of KBR's Mission Technology Solutions business, which is expected to be completed on January 4, 2027. This role offers a unique opportunity to join the organization during a pivotal period of growth and transformation, helping build and strengthen the tax compliance, governance, and reporting processes that will support Trinzic's long-term success while enabling critical government and commercial missions around the world.

Requirements

Bachelor's degree in Accounting, Finance, Taxation, or a related field.
8+ years of progressive corporate tax, public accounting, or related experience.
Demonstrated experience managing and developing tax professionals in a corporate or public accounting environment.
Significant experience leading U.S. federal and state income tax compliance processes for multinational organizations, including oversight of consolidated income tax return filings.
Experience overseeing indirect tax compliance activities, including sales and use tax and other transaction-based taxes.
Experience managing tax audits, examinations, notices, or tax controversy matters.
Experience within a publicly traded company, large corporate environment, public accounting firm, or a combination thereof.
Strong knowledge of U.S. federal, state, and local tax laws and compliance requirements.
Strong understanding of corporate income tax return preparation, estimated tax payments, extensions, and related filing obligations.
Familiarity with U.S. international tax reporting requirements, including foreign information returns and coordination of international tax compliance activities.
Experience managing multi-state tax compliance requirements and regulatory reporting obligations.
Knowledge of indirect tax compliance requirements, including sales and use tax, gross receipts tax, and related transaction taxes.
Ability to research and analyze tax legislation, regulations, and technical tax matters and develop practical recommendations.
Strong analytical, organizational, and problem-solving skills with exceptional attention to detail.
Experience working with cross-functional teams and managing multiple priorities in a deadline-driven environment.
Effective written and verbal communication skills with the ability to communicate complex tax matters to diverse stakeholders.
Experience with tax compliance software, tax research tools, ERP systems, and process automation initiatives.
Advanced proficiency in Microsoft Excel and tax-related reporting systems.

Nice To Haves

CPA or equivalent professional certification preferred.
Public accounting experience, preferably with a Big Four or national accounting firm.
Experience supporting a publicly traded company and related tax compliance obligations.
Experience with OneSource Income Tax, Corptax, Vertex, Avalara, SAP, Oracle, or similar tax and ERP platforms.
Experience with SOX compliance and internal controls related to tax compliance processes.
Experience supporting tax planning initiatives, legal entity restructuring activities, or organizational transactions.
Demonstrated success driving process improvements, automation initiatives, or tax technology enhancements.

Responsibilities

Lead all U.S. federal, state, and local income tax compliance activities, including ownership of the Company’s consolidated U.S. corporate income tax return process, estimated tax payments, extensions, elections, foreign information reporting, and related filings.
Partner closely with the Manager, U.S. International Tax & Transfer Pricing to ensure timely and accurate reporting of U.S. international tax calculations, foreign information returns, and related compliance obligations.
Lead the U.S. indirect tax compliance function, including oversight of indirect tax compliance processes and personnel.
Manage sales and use tax, gross receipts tax, business license taxes, and other transaction-based tax obligations.
Ensure timely filings, accurate reporting, and compliance with applicable laws and regulations.
Provide guidance on use tax accrual methodologies, taxability determinations, audit support, process improvements, and compliance reporting.
Manage the annual compliance calendar and coordinate internal and external resources to ensure completion of all direct and indirect tax filing requirements.
Monitor legislative and regulatory developments impacting compliance obligations.
Partner with the Tax Accounting team to provide information required for the quarterly and annual income tax provision process, including current tax calculations, return-to-provision analyses, uncertain tax positions, and related compliance data.
Coordinate and manage U.S. federal, state, and local tax examinations, audits, notices, and information requests.
Work closely with external advisors and tax authorities to resolve issues while minimizing tax risk and exposure.
Collaborate with Accounting, Treasury, FP&A, Legal, Procurement, Contracts, and business leaders to provide guidance on tax compliance implications of business transactions, operational activities, and strategic initiatives.
Drive continuous improvement initiatives related to tax compliance processes, data collection, automation, and reporting.
Leverage tax technology and ERP-enabled solutions to improve efficiency, accuracy, scalability, and control effectiveness.
Manage relationships with external tax advisors, compliance service providers, and technology vendors to ensure high-quality support and effective execution of compliance activities.
Maintain and enhance internal controls related to tax compliance activities, supporting SOX requirements, tax governance standards, and overall risk management objectives.
Lead, mentor, and develop tax professionals responsible for U.S. direct and indirect tax compliance activities.
Foster a culture of accountability, collaboration, continuous improvement, and operational excellence.